Page 1
Installation, Use
and Maintenance Manual
for model
R1K 34
Premix condensing system boiler
only heating
0476
R1K 34 - RAD - ING - Manuale - 1510.1_ErP
Page 2
2.2.8. TECHNICAL DATA
Model R1K 34
CE certification no. 0476CQ0134
Gas category II2H3B/P
Discharge type type B23p-B33-C13-C33-C43-C53-
SUPPORT CENTRE
Energy efficiency 92/42 CEE no. stars 4
Energy efficiency EN13203-1 no. stars Maximum nominal heat capacity in heating circuit kW 34
Minimum nominal heat capacity in heating circuit kW 4.1
Useful thermal power - 60/80°C kW 33.35
Minimum useful thermal power - 60/80°C kW 3.94
Useful thermal power - 30/50°C kW 36.19
Performance at 100% Pn - 60/80°C % 98.08
Performance at 30% Pn - return 47°C % 102.14
Performance at 30% Pn - return 30°C % 108.57
Performance at 100% Pn - 30/50°C % 106.43
Maximum combustion Performance % 97.6
Fumes temperature at nominal heat capacity °C 71.93
CO
CO
CO
CO
CO
CO
CO at nominal heat capacity ppm 165
Fumes mass at nominal heat capacity g/s 14.96
Fumes mass at minimum heat capacity g/s 1.88
NOx class class 5
Heating circuit
Adjustable heating temperature °C 30-80 / 25-45
Maximum operating temperature for heating circuit °C 95
Maximum operating pressure for heating circuit bar 3
Minimum operating pressure for heating circuit bar 0.3
Capacity of the system expansion vessel litres 8
Dimensional characteristics
Width mm 410
Depth mm 330
Height mm 642
Gross weight Kg 40
Water connections
Flow Ø 3/4”
Cold water Ø 1/2”
Gas Ø 3/4”
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2. MAINTENANCE
C63-C83-C93
at nominal heat capacity % 9.6
2
at minimum heat capacity % 8.84
2
at nominal heat capacity - G30 % 11.55
2
at minimum heat capacity - G30 % 10.8
2
at nominal heat capacity - G31 % 10.32
2
at minimum heat capacity - G31 % 9.89
2
2 Dati tecnici_R1K 34_ErP_EN
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2. MAINTENANCE
Return Ø 3/4”
Fume exhaust fittings
Maximum electric fan pressure available Pa 90.7
Max discharge length Ø80/125 - Hor Co-ax m 10
Max discharge length Ø80/80 - Hor Split m 15+15
Max discharge length Ø80/125 - Vert Co-ax m 10
Electrical specifications
Voltage-frequency V/Hz 220-230/50
Max Absorbed Power W 78
Insulation rate IP X5D
Gas supply
Nominal supply pressure - G20 mbar 20
Heating Max. fan speed - G20 Hz 186
Heating Min. fan speed - G20 Hz 45
3
Fuel consumption - G20 m
Nominal Supply pressure - G30 mbar 28-30
Heating Max. fan speed - G30 Hz 176
Heating Min. fan speed - G30 Hz 45
Fuel consumption - G30 kg/h 2.68
Nominal Supply pressure - G31 mbar 37
Heating Max. fan speed - G31 Hz 184
Heating Min. fan speed - G31 Hz 45
Fuel consumption - G31 kg/h 2.64
/h 3.60
SUPPORT CENTRE
2 Dati tecnici_R1K 34_ErP_EN
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2. MAINTENANCE
2.2.9. TECHNICAL ASSEMBLY
SUPPORT CENTRE
10
1
2
3
4
5
6
7
8
9
6
11
12
13
14
15
16
17
18
19
20
KEY
1. FUMES SAFETY THERMOFUSE
2. HEAT EXCHANGER
3. BURNER UNIT
4. DETECTION ELECTRODE
5. ELECTRIC FAN
6. AIR RELIEF VALVE
7. SAFETY VALVE 3 bar
8. CIRCULATOR
9. GAS VALVE
10. SYSTEM DRAINING TAP
11. SAFE T Y THER MOSTAT
12. HEATING PROBE
13. LIGHT UP ELECTRODE
14. EXPANSION TANK
15. START-UP TRANSFORMER
16. AIR SUCTION TUBE
17. PROPORTIONAL VENTURI
18. WATER PRESSURE SWITCH
19. CONDENSATE COLLECTION SIPHON
20. SYSTEM FILLING TAP
2 Complessivo tecnico_R1K 25_34_EN
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Page 5
2.2.10. HYDRAULIC BOARD
2. MAINTENANCE
1
2
6
10
11
3
4
12
13
14
SUPPORT CENTRE
15
5
6
16
17
7
8
9
sc
R
G
F
A
18
2 Schema idraulico_R1K_EN
KEY
R. HEATING RETURN
G. GAS INLET
SC. CONDENSATE DRAIN
F. COLD WATER INLET
A. HEATING FORWARD
1. FUMES SAFETY THERMOFUSE
2. HEAT EXCHANGER
3. BURNER UNIT
4. ELECTRIC FAN
5. GAS VALVE
6. AIR RELIEF VALVE
7. CI R CUL ATOR
8. SAFETY VALVE 3 bar
9. SYSTEM DRAINING TAP
10. HEATING PROBE
11. SAFE T Y THER MOSTAT
12. EXPANSION TANK
13. AIR SUCTION TUBE
14. PROPORTIONAL VENTURI
15. WATER PRESSURE SWITCH
16. CONDENSATE COLLECTION SIPHON
17. BY-PASS
18. SYSTEM FILLING TAP
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3.1. USE
3. USE
3.1.1. GENERAL USE WARNINGS
make sure that the First start-up certificate has the
stamp of the technical Support Centre proving the
testing and the first start-up of the boiler.
be started by a technical Support Centre authorized
by RADIANT no later than 30 days from the date of
installation.
provided by the manufacturer, the customer should
carefully and exclusively observe the instructions
USER
given in the USER section of the manual.
purpose for which it has been designed: heat water
to a temperature below boiling point at atmospheric
pressure. Any other use is considered wrong and
dangerous. The manufacturer is excluded from
any contractual or out of contract responsibility for
damage caused to people, animals or property due
to incorrect use.
WARNING
Before starting the boiler the User must
WARNING
To validate the warranty, the boiler must
WARNING
In order to take advantage of the guarantee
ATTENTION
This machine may be used only for the
DANGER
If you sense a gas odour in the location in
which the boiler is installed, proceed as follows:
› DO NOT use electrical switches, the telephone or
any other device that might generate electrical
discharges or sparks;
› Immediately open all doors and windows to
create an air exchange that can quickly clean
the location;
› Close the gas valves;
› Request immediate intervention of qualified
staff.
DANGER
The use of the electrical power boiler
implies respecting some fundamental rules such as:
› DO NOT touch the device with wet and/or humid
parts and/or with bare feet;
› DO NOT pull the electrical cables;
› DO NOT leave the device exposed to atmospheric
agents (rain, sun, etc.) unless specifically
intended;
3 Avvertenze generali per l'utilizzo_EN
60
DANGER
The boiler should not be used by persons
(including children) with reduced physical, sensory or
mental capacities or without suitable knowledge or
experience unless they are instructed on the device
use or monitored by a person responsible for their
safety.
DANGER
DO NOT obstruct the air vents of the
location in which the gas device is installed to prevent
the formation of toxic explosive mixes.
R1K 34 - RAD - ING - Manuale - 1510.1_ErP
› in case of cable damage, turn off the device and
contact qualified professional staff to replace it.
Page 7
3.1.2. CONTROL PANEL
3. USE
6
3 Pannello comandi_solo risc_MIAH4_R2_G_EN
1
2 3 4
KEY
1. HEATING TEMPERATURE ADJUSTMENT
KEYS.
2. INFO KEY: PRESS ONCE TO VIEW THE
TEMPERATURES AND OTHER INFORMATION
(see chapter ‘INFO MENU DISPLAY) - HOLD
FOR 5 SECONDS, IN OFF OPERATING MODE,
TO VIEW THE LAST 5 FAULTS.
5
USER
6. DISPLAY
3. OPERATING MODE SELECTION KEY: ONLY
HEATING / OFF.
4. RESET KEY: FAULTS RESET - CHIMNEY
SWEEP FUNCTION ACTIVATION (HOLD FOR 7
SECONDS).
5. VALUE OF THE PARAMETERS ADJUSTMENT
KEY / HOLD THE KEYS AT THE SAME TIME
FOR 5 SECONDS TO ACTIVATE DISPLAY BACK
LIGHT FOR 10 MINUTES.
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3. USE
3.1.3. DISPLAY ICONS
KEY
1. INDICATION OF PARAMETER NUMBER OR
DISPLAYED INFO CODE
456 7
3
2
8
9
2. PARAMETERS PROGRAMMING FUNCTION
3. SIGNALLING CONNECTED SOLAR BOARD /
4. SOLAR PUMP ACTIVE
5. BOILER LOWER TEMPERATURE DISPLAY (d6)
6. EXTERNAL PROBE INSTALLED / EXTERNAL
USER
7. TEMPERATURE DISPLAY / SET POINT /
8. OPEN THERM COMMUNICATION PRESENT
9. INSUFFICIENT SYSTEM WATER PRESSURE
ACTIVE
SOLAR COLLECTOR TEMPERATURE DISPLAY
(d5)
/ BOILER UPPER TEMPERATURE DISPLAY
(d7)
PROBE TEMPERATURE (d1)
PARAMETER VALUE
(REMOTE CONTROL / AREA CONTROL UNIT)
SIGNALLING
1
14
111213
fig. 1
≤ 33% >33%<66% >66%<100%
fig. 2
10
62
10. FLAME PRESENT SIGNALLING / IT ALSO
INDICATES, ON 3 PERCENTAGE LEVELS, THE
MODULATING POWER LEVEL OF THE BOILER
(fig.2)
11. ERROR DISPLAY THAT CAN BE RESET
12. OFF OPERATING MODE
13. ERROR DISPLAY THAT CAN NOT BE RESET
14. OPERATION IN HEATING MODE ENABLED
R1K 34 - RAD - ING - Manuale - 1510.1_ErP
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3. USE
3.1.4. INFO MENU DISPLAY DATA
To view the boiler data from info menu you just have to press the INFO ‘ ’ key. The info code will be
displayed on the left side of the screen and its relative value will be displayed on the centre of the screen.
Use keys ‘
mode press the INFO ‘
LIST OF DISPLAYED DATA
INFO CODE ICON DESCRIPTION
’ and ‘ ’ of the heating circuit to scroll through the list of displayed data. To exit display
’ key.
d0 DOMESTIC CIRCUIT PROBE TEMPERATURE
d1 EXTERNAL PROBE TEMPERATURE
d2 FAN SPEED
d3 BOTTOM AREA PROBE TEMPERATURE [IF AREA BOARD INSTALLED]
d4 RETURN PROBE TEMPERATURE
d5 SOL AR COLLECTOR TEMPERATURE [IF SOLAR BOARD INSTALLED] (SCS)
USER
d6 SOL AR BOILER TEMPERATURE (BOTTOM) [IF SOLAR BOARD INSTALLED] (SBSI)
d7 SOL AR BOILER TEMPERATURE (TOP) [IF SOL AR BOARD INSTALLED] (SBSS)
d8 SOLAR COLLECTOR PROBE TEMPERATURE 2 [IF SOLAR BOARD INSTALLED] (SCS2)
d9 EX TRA SOLAR BOILER TEMPERATURE [IF SOL AR BOARD INSTALLED] (SBS3)
3 Visualizzazioni del menù Info_MIAH4_EN
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Page 10
3. USE
3.1.5. START-UP
Before starting the boiler make sure that it is
powered and that the gas tap below the boiler is
open.
To start the boiler press the function key ‘
’ and select the desired operating mode. If the
symbol is displayed fixed, it means that the function
was activated.
3.1.6. OPERATING MODE
ONLY HEATING MODE
In this mode the boiler meets only the demands of
heating.
To switch the boiler to ONLY HEATING operating
mode, press the function key ‘
USER
the function is enabled.
’, the symbol ‘
’ will appear fixed on the display, indicating that
OFF MODE
In this mode the boiler no longer meets the heating
demands, the anti-freeze and pump anti-locking
systems still remain active.
To switch the boiler to OFF operating mode, press
the function key ‘
appear fixed on the display, indicating that the
function is enabled (for non condensing models
will appear the message ‘OFF’).
If the boiler was pr ev iously running, it will be turne d
off and the post-ventilation and post-circulation
functions will be enabled.
If you have to deactivate the boiler for a long period
of time, proceed as follows:
› contact the Technical support centre that will
empty the water system, where no anti-freeze
is intended, and will cut off the power, water and
gas supply.
’, the symbol ‘ ’ will
Whenever heating energy is needed to heat the
rooms the automatic start-up system will start the
burner; this is indicated by displaying the symbol ‘
’ blinking.
ADJUSTING THE HEATING TEMPERATURE
You can adjust the temperature using keys ‘
and ‘
The heating temperature adjustment field ranges
from 30 °C to 80 °C (25 °C – 45 °C for floor systems).
’ of the heating circuit :
· press key ‘
· press key ‘
’ to decrease the temperature.
’ to increase the temperature.
› Or leave the boiler in OFF operating mode
keeping active the electrical and gas supplies so
that the anti-freeze function may activate.
’
3 Accensione_Modalità di funzionamento_Antigelo_solo risc_MIAH4_MIAH6_EN
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3.1.7. INFORMATIONAL NOTE ON
ANTI-FREEZE FUNCTION
The boiler is protected against freezing thanks to
the electronic board preparation with functions
that start the burner and heat the concerned parts
when their temperature goes below the minimum
pre-set values.
WARNING
This function is available only if:
› the boiler is powered;
› the gas supply is open;
› the pressure of the system is proper;
3. USE
› the boiler is not blocked.
USER
3 Accensione_Modalità di funzionamento_Antigelo_solo risc_MIAH4_MIAH6_EN
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Page 12
3. USE
3.1.8. SYSTEM FILLING
To restore the water pressure inside the system
open the loading tap “R” (fig. 1) and make sure
using pressure gauge “M” (fig. 1), that the system
pressure reaches 1.2 bar (see fig. 2).
After performing this operation, make sure that
the loading tap “R” (fig. 1) is properly closed.
After the water pressure reset the boiler will
automatically perform a 2 minutes system relief
cycle. Throughout this function the display will
show the code “F33”. The boiler can work normally
only after completing the operation.
fig. 1
M
R
USER
fig. 2
3 Riempimento dell'impianto_MIAH4_R2K_EN
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Page 13
3. USE
3.1.9. FAULT SIGNALLING CODES
The boiler might signal some faults by displaying a code. Below you have a list of the codes and of the
operations to be performed in order to unlock the boiler.
CODE ICON FAULT INTERVENTION
E01 FLAME BLOCK MAKE SURE THAT THE BOILER AND CONTACTOR GAS VALVES
ARE OPEN.
E02
E03
E04
PRESS THE RESET ‘
RESE T THE FAULT, AS SOON A S THE ERROR CODE DISAPPEARS
FROM THE DISPLAY, THE BOILER WILL START AUTOMATICALLY.
IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT
CENTRE.
SAFETY THERMOSTAT (95 °C) PRESS THE RESET ‘ ’ BUT TON ON THE CONTROL PANEL TO
RESE T THE FAULT, AS SOON A S THE ERROR CODE DISAPPEARS
FROM THE DISPLAY, THE BOILER WILL START AUTOMATICALLY.
IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT
CENTRE.
FUMES SAFETY THERMOFUSE (102 °C) CONTACT THE TECHNICAL SUPPORT CENTRE.
WATER MISSING IN THE SYSTEM IF THE SYSTEM PRESSURE IS BELOW 1.2 BAR, FILL THE SYSTEM
AS DESCRIBED IN CHAPTER “SYSTEM FILLING”.
IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT
CENTRE.
’ BUT TON ON THE CONTROL PANEL TO
USER
3 Codici di segnalazione anomalie_solo risc_MIAH4_EN
E05
HEATING PROBE CONTACT THE TECHNICAL SUPPORT CENTRE.
E15
E16
E18
E21
RETURN PROBE CONTACT THE TECHNICAL SUPPORT CENTRE.
ELECTRIC FAN CONTACT THE TECHNICAL SUPPORT CENTRE.
INSUFFICIENT CIRCULATION CONTACT THE TECHNICAL SUPPORT CENTRE.
GENERAL INTERNAL BOARD ERROR CUT OFF THE POWER SUPPLY FROM THE MAIN SWITCH AND
THEN RESTORE IT, AS SOON AS THE ERROR CODE DISAPPEARS,
THE BOILER WILL RESTART AUTOMATICALLY.
IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT
CENTRE.
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Page 14
3. USE
CODE ICON FAULT INTERVENTION
USER
E22 PARAMETERS PROGRAMMING
REQUEST
E35
E40
RESIDUAL FLAME PRESS THE RESET ‘ ’ BUTTON ON THE CONTROL PANEL TO
SUPPLY VOLTAGE CONTACT THE TECHNICAL SUPPORT CENTRE.
CUT OFF THE POWER SUPPLY FROM THE MAIN SWITCH AND
THEN RESTORE IT, AS SOON AS THE ERROR CODE DISAPPEARS,
THE BOILER WILL RESTART AUTOMATICALLY.
IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT
CENTRE.
RESE T THE FAULT, AS SOON A S THE ERROR CODE DISAPPEARS
FROM THE DISPLAY, THE BOILER WILL START AUTOMATICALLY.
68
3 Codici di segnalazione anomalie_solo risc_MIAH4_EN
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Page 15
3. USE
3.1.11. MAINTENANCE
To ensure proper boiler safety and efficiency,
please contact RADIANT technical support
network to check the device every year.
An accurate maintenance should improve system
management.
3.1.12. COVER CLEANING
Clean the cover of the device using a wet cloth and
come neutral soap.
WARNING
DO NOT use abrasive or powder detergents
as they might damage the plastic cover and control
elements.
3.1.13. DISPOSAL
USER
The boiler and all its accessories must be
differentiated, suitably disposed of in accordance
with the standards in force.
product can not be dismantled as domestic waste.
Proper dismantle of this product helps preventing
potentially negative consequences on human
health and environment.
The use of the symbol WEEE
(Waste Electrical and Electronic
Equipment) shows that this
3 Manutenzione_Pulizia_Smaltimento_EN
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